1 //===-- Sparc.h - Top-level interface for Sparc representation --*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file contains the entry points for global functions defined in the LLVM 10 // Sparc back-end. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_SPARC_SPARC_H 15 #define LLVM_LIB_TARGET_SPARC_SPARC_H 16 17 #include "MCTargetDesc/SparcMCTargetDesc.h" 18 #include "llvm/Support/ErrorHandling.h" 19 #include "llvm/Target/TargetMachine.h" 20 21 namespace llvm { 22 class AsmPrinter; 23 class FunctionPass; 24 class MCInst; 25 class MachineInstr; 26 class PassRegistry; 27 class SparcTargetMachine; 28 29 FunctionPass *createSparcISelDag(SparcTargetMachine &TM); 30 FunctionPass *createSparcDelaySlotFillerPass(); 31 32 void LowerSparcMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, 33 AsmPrinter &AP); 34 void initializeSparcDAGToDAGISelLegacyPass(PassRegistry &); 35 void initializeErrataWorkaroundPass(PassRegistry &); 36 } // namespace llvm 37 38 namespace llvm { 39 // Enums corresponding to Sparc condition codes, both icc's and fcc's. These 40 // values must be kept in sync with the ones in the .td file. 41 namespace SPCC { 42 enum CondCodes { 43 ICC_A = 8, // Always 44 ICC_N = 0, // Never 45 ICC_NE = 9, // Not Equal 46 ICC_E = 1, // Equal 47 ICC_G = 10, // Greater 48 ICC_LE = 2, // Less or Equal 49 ICC_GE = 11, // Greater or Equal 50 ICC_L = 3, // Less 51 ICC_GU = 12, // Greater Unsigned 52 ICC_LEU = 4, // Less or Equal Unsigned 53 ICC_CC = 13, // Carry Clear/Great or Equal Unsigned 54 ICC_CS = 5, // Carry Set/Less Unsigned 55 ICC_POS = 14, // Positive 56 ICC_NEG = 6, // Negative 57 ICC_VC = 15, // Overflow Clear 58 ICC_VS = 7, // Overflow Set 59 60 FCC_BEGIN = 16, 61 FCC_A = 8 + FCC_BEGIN, // Always 62 FCC_N = 0 + FCC_BEGIN, // Never 63 FCC_U = 7 + FCC_BEGIN, // Unordered 64 FCC_G = 6 + FCC_BEGIN, // Greater 65 FCC_UG = 5 + FCC_BEGIN, // Unordered or Greater 66 FCC_L = 4 + FCC_BEGIN, // Less 67 FCC_UL = 3 + FCC_BEGIN, // Unordered or Less 68 FCC_LG = 2 + FCC_BEGIN, // Less or Greater 69 FCC_NE = 1 + FCC_BEGIN, // Not Equal 70 FCC_E = 9 + FCC_BEGIN, // Equal 71 FCC_UE = 10 + FCC_BEGIN, // Unordered or Equal 72 FCC_GE = 11 + FCC_BEGIN, // Greater or Equal 73 FCC_UGE = 12 + FCC_BEGIN, // Unordered or Greater or Equal 74 FCC_LE = 13 + FCC_BEGIN, // Less or Equal 75 FCC_ULE = 14 + FCC_BEGIN, // Unordered or Less or Equal 76 FCC_O = 15 + FCC_BEGIN, // Ordered 77 78 CPCC_BEGIN = 32, 79 CPCC_A = 8 + CPCC_BEGIN, // Always 80 CPCC_N = 0 + CPCC_BEGIN, // Never 81 CPCC_3 = 7 + CPCC_BEGIN, 82 CPCC_2 = 6 + CPCC_BEGIN, 83 CPCC_23 = 5 + CPCC_BEGIN, 84 CPCC_1 = 4 + CPCC_BEGIN, 85 CPCC_13 = 3 + CPCC_BEGIN, 86 CPCC_12 = 2 + CPCC_BEGIN, 87 CPCC_123 = 1 + CPCC_BEGIN, 88 CPCC_0 = 9 + CPCC_BEGIN, 89 CPCC_03 = 10 + CPCC_BEGIN, 90 CPCC_02 = 11 + CPCC_BEGIN, 91 CPCC_023 = 12 + CPCC_BEGIN, 92 CPCC_01 = 13 + CPCC_BEGIN, 93 CPCC_013 = 14 + CPCC_BEGIN, 94 CPCC_012 = 15 + CPCC_BEGIN, 95 96 REG_BEGIN = 48, 97 REG_Z = 1 + REG_BEGIN, // Is zero 98 REG_LEZ = 2 + REG_BEGIN, // Less or equal to zero 99 REG_LZ = 3 + REG_BEGIN, // Less than zero 100 REG_NZ = 5 + REG_BEGIN, // Is not zero 101 REG_GZ = 6 + REG_BEGIN, // Greater than zero 102 REG_GEZ = 7 + REG_BEGIN // Greater than or equal to zero 103 }; 104 } 105 106 inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) { 107 switch (CC) { 108 case SPCC::ICC_A: return "a"; 109 case SPCC::ICC_N: return "n"; 110 case SPCC::ICC_NE: return "ne"; 111 case SPCC::ICC_E: return "e"; 112 case SPCC::ICC_G: return "g"; 113 case SPCC::ICC_LE: return "le"; 114 case SPCC::ICC_GE: return "ge"; 115 case SPCC::ICC_L: return "l"; 116 case SPCC::ICC_GU: return "gu"; 117 case SPCC::ICC_LEU: return "leu"; 118 case SPCC::ICC_CC: return "cc"; 119 case SPCC::ICC_CS: return "cs"; 120 case SPCC::ICC_POS: return "pos"; 121 case SPCC::ICC_NEG: return "neg"; 122 case SPCC::ICC_VC: return "vc"; 123 case SPCC::ICC_VS: return "vs"; 124 case SPCC::FCC_A: return "a"; 125 case SPCC::FCC_N: return "n"; 126 case SPCC::FCC_U: return "u"; 127 case SPCC::FCC_G: return "g"; 128 case SPCC::FCC_UG: return "ug"; 129 case SPCC::FCC_L: return "l"; 130 case SPCC::FCC_UL: return "ul"; 131 case SPCC::FCC_LG: return "lg"; 132 case SPCC::FCC_NE: return "ne"; 133 case SPCC::FCC_E: return "e"; 134 case SPCC::FCC_UE: return "ue"; 135 case SPCC::FCC_GE: return "ge"; 136 case SPCC::FCC_UGE: return "uge"; 137 case SPCC::FCC_LE: return "le"; 138 case SPCC::FCC_ULE: return "ule"; 139 case SPCC::FCC_O: return "o"; 140 case SPCC::CPCC_A: return "a"; 141 case SPCC::CPCC_N: return "n"; 142 case SPCC::CPCC_3: return "3"; 143 case SPCC::CPCC_2: return "2"; 144 case SPCC::CPCC_23: return "23"; 145 case SPCC::CPCC_1: return "1"; 146 case SPCC::CPCC_13: return "13"; 147 case SPCC::CPCC_12: return "12"; 148 case SPCC::CPCC_123: return "123"; 149 case SPCC::CPCC_0: return "0"; 150 case SPCC::CPCC_03: return "03"; 151 case SPCC::CPCC_02: return "02"; 152 case SPCC::CPCC_023: return "023"; 153 case SPCC::CPCC_01: return "01"; 154 case SPCC::CPCC_013: return "013"; 155 case SPCC::CPCC_012: return "012"; 156 case SPCC::REG_BEGIN: 157 llvm_unreachable("Use of reserved cond code"); 158 case SPCC::REG_Z: 159 return "z"; 160 case SPCC::REG_LEZ: 161 return "lez"; 162 case SPCC::REG_LZ: 163 return "lz"; 164 case SPCC::REG_NZ: 165 return "nz"; 166 case SPCC::REG_GZ: 167 return "gz"; 168 case SPCC::REG_GEZ: 169 return "gez"; 170 } 171 llvm_unreachable("Invalid cond code"); 172 } 173 174 inline static unsigned HI22(int64_t imm) { 175 return (unsigned)((imm >> 10) & ((1 << 22)-1)); 176 } 177 178 inline static unsigned LO10(int64_t imm) { 179 return (unsigned)(imm & 0x3FF); 180 } 181 182 inline static unsigned HIX22(int64_t imm) { 183 return HI22(~imm); 184 } 185 186 inline static unsigned LOX10(int64_t imm) { 187 return ~LO10(~imm); 188 } 189 190 } // end namespace llvm 191 #endif 192